CN103710082A - Hydraulic oil composition and uses thereof - Google Patents
Hydraulic oil composition and uses thereof Download PDFInfo
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- CN103710082A CN103710082A CN201310468221.7A CN201310468221A CN103710082A CN 103710082 A CN103710082 A CN 103710082A CN 201310468221 A CN201310468221 A CN 201310468221A CN 103710082 A CN103710082 A CN 103710082A
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Abstract
The invention relates to a hydraulic oil composition and uses thereof, mainly solves the problems that in the prior art, HM anti-wear hydraulic oil is poor in low temperature performance, and cannot meet the requirements of low temperature operation equipment. The hydraulic oil composition comprises the following components: by weight, a) 100 parts of mineral base oil; and b) 0.1-2 parts of an anti-wear hydraulic oil compound agent; wherein the characteristics of the mineral base oil are that: a1) the kinematic viscosity at 40 DEG C is 28.8-35.2mm<2> / s; a2) the pour point is below -30 DEG C; a3) the viscosity index is higher than 100; a4) the sulfur content is less than or equal to 0.03 wt.%; a5) the nitrogen content is less than or equal to 0.005 wt.%; the anti-wear hydraulic oil compound agent is selected from at least one from HiTEC521 and HiTEC543 of AFTON corporation, LZ5703 of LUBRIZOL corporation, OLA4994 of CHEVRON corporation, and IR5010 of BASF corporation, and the technical scheme well solves the problems, and can be used in industrial production of low pour point anti-wear hydraulic oil.
Description
Technical field
The present invention relates to a kind of hydraulic fluid compositions and uses thereof.
Background technology
Along with reform and opening-up and scientific and technical development, the Hydraulic Industry of China has obtained developing rapidly, has formed a production research system covering extensive fields, to have certain throughput and state of the art.Introduced the manufacturing technology of a lot of Hydraulic Elements and hydraulic efficiency system, so the hydraulic efficiency installation of China is no lack of and has world-class product simultaneously.Current hydraulic efficiency installation has the development trend of high-pressure trend, high speed, miniaturization, electromechanical integration etc.
These development trends of hydraulic efficiency installation, require hydraulic efficiency oil to have good oxidation stability, extreme pressure anti-wear, thermostability and antiseptic and rustproof property, air release property, resistance to emulsion etc.In addition, due to the impact of environment for use, the hydraulic efficiency installation of some operations in the wild, as the hydraulic efficiency installation of construction machine, agricultural machine etc., needs oil product to have good low-temperature performance, to adapt at low temperature season, uses.
GB11118.1-2011 is to be not more than-15 ℃ for the requirement of HM32 antiwear hydraulic oil pour point, for low temperature hydraulic oil HV32, requires to be not more than-33 ℃, and low lime set force feed HS requires to be not more than-40 ℃.In order to reach the low temperature requirement of oil product, normally in Dormant oils base oil, add pour point depressant, or there is the polymethacrylate viscosity index improver of pour-point depressing process, or adopt part or all of synthetic base oil.
At present, for document and the patent of antiwear hydraulic oil, many is to lay particular emphasis on its additive composition and the good resistance to abrasion obtaining, high-temperature stabilities etc., as CN101365774 discloses a kind of ashless lubricating oil composition with high oxidation stability; CN1335379 discloses a kind of composition for antiwear hydraulic lubricant oil additive, can meet GB11118.1-94; CN1285394 discloses antiwear hydraulic oil and lubricating oil composition can be modulated without zinc antiwear hydraulic oil and gear oil.
Be directed to the antiwear hydraulic oil patent of low-temperature performance: US6458749 and relate to the low-temperature fluidity that adds the polymethacrylate mixture of lower molecular weight and high molecular to improve lubricating oil in lubricating oil.CN101646755 discloses a kind of lubricating oil composition with improved low-temperature performance, employing Sweet natural gas synthetic (GTL) base stock/base oil, hydrodewaxed or hydrogenation isomerization/pour point that adds approximately 1 to 95 % by weight in the derivative base stock/base oil of the wax of catalysis (and/or solvent) dewaxing is 0 ℃ or lower alkylated naphthalene or the synthetic oil of alkylated benzenes, realizes the pour point that reduces base oil.Above patent, the method that relates to the low-temperature performance that improves lubricating oil has by adding functional agent to reach to improve lubricating oil low-temperature performance, as: US6458749; CN101646755 improves the low-temperature performance of lubricating oil by the good synthetic oil that adds low-temperature performance.For not with pour point depressant, do not add the synthetic oil that low-temperature performance is good, only adopt and there is viscosity index more than 100, pour point is modulated pour point lower than the antiwear hydraulic oil of-30 ℃ lower than the mineral base oil of-30 ℃, there is no document and patent report both at home and abroad.
Summary of the invention
One of technical problem to be solved by this invention is in prior art, to exist HM antiwear hydraulic oil low-temperature performance poor, can not meet the problem of low temp operation equipment requirements, and a kind of new hydraulic fluid compositions is provided.Two of technical problem to be solved by this invention is purposes of the composition corresponding with one of technical solution problem.This hydraulic fluid compositions, having on the basis of excellent resistance to abrasion and oxidation stability, also has excellent low-temperature performance.
For one of solving the problems of the technologies described above, the technical solution used in the present invention is as follows: a kind of hydraulic fluid compositions, in parts by weight, comprises following component:
A) 100 parts of mineral base oils;
B) 0.1～2 part of antiwear hydraulic oil recombiner;
Described mineral base oil is characterised in that: a1) kinematic viscosity 40 ℃ time is 28.8～35.2mm
2/ s; A2) pour point is lower than-30 ℃; A3) viscosity index is greater than 100; A4) sulphur content is less than or equal to 0.03 % by weight; A5) nitrogen content is less than or equal to 0.005 % by weight;
Described antiwear hydraulic oil recombiner is selected from HiTEC521, the HiTEC543 of AFTON company, the LZ5703 of LUBRIZOL company, the OLA4994 of CHEVRON company, at least one in the IR5010 of BASF AG.
In technique scheme, preferably, the sulphur content of described mineral base oil is less than or equal to 0.01 % by weight; Nitrogen content is less than or equal to 0.001 % by weight; Pour point is lower than-36 ℃.
In technique scheme, preferably, kinematic viscosity during described mineral base oil-15 ℃ is for being less than or equal to 1500mm
2/ s.
In technique scheme, preferably, the aromatic hydrocarbons that described mineral base oil adopts n-d-M method to measure is less than or equal to 2 % by weight, and specific refractory power is 1.460～1.480.
In technique scheme, preferably, described antiwear hydraulic oil recombiner is selected from HiTEC521, the HiTEC543 of AFTON company, the LZ5703 of LUBRIZOL company, at least one in the IR5010 of BASF AG.More preferably, described antiwear hydraulic oil recombiner is selected from least one in the HiTEC543 of AFTON company or the IR5010 of BASF AG.
In technique scheme, preferably, the add-on of described antiwear hydraulic oil recombiner is 0.4～1.5 part, is more preferably 0.6～1.2 part.
In technique scheme, preferably, in described composition, also comprise at least one being selected from demulsifying agent or kilfoam; In parts by weight, the consumption of emulsion splitter is 0～0.1 part, and the consumption of kilfoam is 0～0.03 part.More preferably, the consumption of emulsion splitter is 0～0.03 part, and the consumption of kilfoam is 0.001～0.01 part.
In technique scheme, preferably, described emulsion splitter is selected from least one in amine and epoxide condenses, ethylene oxide/propylene oxide multipolymer; Described kilfoam is selected from least one in methyl-silicone oil, ethyl silicon oil or acrylate and ether copolymer.
For solve the problems of the technologies described above two, the technical solution used in the present invention is as follows: described hydraulic fluid compositions is for hydraulic efficiency installation.
The preparation method of hydraulic fluid compositions of the present invention is: antiwear hydraulic oil recombiner, emulsion splitter, kilfoam are added in base oil at 40～80 ℃ of temperature, stir 0.5～2 hour, make its whole dissolvings can obtain composition of the present invention.
The present invention adopts following various test method to evaluate the performance of described hydraulic fluid compositions, wherein there is petroleum products viscosity index computing method (GB/T1995), the oxidation characteristic assay method (GB/T12581) of inhibiting mineral oil, petroleum products pour point assay method (GB/T3535 or ISO3016), lubrication oil antiwear damages performance measurement method (four-ball tester method) (SH/T0189), the total sulfur content assay method (ultraviolet fluorescence method) (SH/T0689 or ASTM D5453) of light hydrocarbon and motor spirit and other oil products, the mensuration rotary oxygen bomb method (SH/T0193) of lubricating oil oxidation stability, the mensuration oxidizing fire of trace nitrogen and chemoluminescence method (SH/T0657 or ASTMD4629) in liquid condition petroleum hydrocarbon, the carbon distribution of petroleum cuts and structural group form method of calculation (n-d-M method) (SH/T0729 or ASTM D3238), petroleum cuts molecular weight computing method (viscometer algorithm) (SH/T0730 or ASTM D2502), the specific refractory power of liquid hydrocarbon and refraction dispersion measurement method (SH/T0724 or ASTMD1218).
Its pour point of antiwear hydraulic oil of the present invention, all lower than-33 ℃, has less-15 ℃ kinematic viscosity, and has good oxidation stability, resistance to abrasion, and resistance to emulsion, has obtained good technique effect.
Below by embodiment, the invention will be further elaborated.
Embodiment
[embodiment 1～5]
According to the parts by weight in table 1, the recombiner, the emulsion splitter that take respectively aequum are added in mineral base oil, and at 45～65 ℃, heated and stirred is extremely completely even, then add kilfoam to stir 30 minutes, obtain described low pour point antiwear hydraulic oil composition.In composition, the kind of each component and consumption are in Table 1, and the performance of mineral base oil is in Table 2, and oil property is in Table 3.
[comparative example 1～4]
[comparative example 1～2] is to adopt II class hydrogenated base oil, and [comparative example 3～4] adopts I class base oil.
In composition, the kind of each component and consumption are in Table 1, and the performance of base oil is in Table 2, and oil property is in Table 3.
Embodiment and comparative example have been tested to viscosity index ,-15 ℃ of kinematic viscosity, pour point, demulsification performance and oxidation stabilities.Each hydraulic efficiency oil pour point of the present invention, all lower than-33 ℃, has less-15 ℃ kinematic viscosity, and has good oxidation stability, resistance to abrasion, resistance to emulsion.
[comparative example 1] adopts base oil 2, and pour point and-15 ℃ of kinematic viscosity do not reach requirement, and other are functional.
[comparative example 2] is the oil product that adds the modulation of 0.5 portion of pour point depressant and other functional agents in base oil 2, and pour point can reach requirement, but [embodiment 1] that-15 ℃ of kinematic viscosity ratios have identical pour point value is large.
[comparative example 3] is the oil product that adopts base oil 3 modulation, and pour point is higher, cannot measure-15 ℃ of kinematic viscosity.
[comparative example 4] is to adopt base oil 2 to add the oil product of 0.7 portion of pour point depressant and the modulation of other functional agents, and pour point can be reduced to-39 ℃, but-15 ℃ of kinematic viscosity ratios have [embodiment 3] height of identical pour point.
Claims (9)
1. a hydraulic fluid compositions, in parts by weight, comprises following component:
A) 100 parts of mineral base oils;
B) 0.1～2 part of antiwear hydraulic oil recombiner;
Described mineral base oil is characterised in that: a1) kinematic viscosity 40 ℃ time is 28.8～35.2mm
2/ s; A2) pour point is lower than-30 ℃; A3) viscosity index is greater than 100; A4) sulphur content is less than or equal to 0.03 % by weight; A5) nitrogen content is less than or equal to 0.005 % by weight;
Described antiwear hydraulic oil recombiner is selected from HiTEC521, the HiTEC543 of AFTON company, the LZ5703 of LUBRIZOL company, the OLA4994 of CHEVRON company, at least one in the IR5010 of BASF AG.
2. hydraulic fluid compositions according to claim 1, is characterized in that the sulphur content of described mineral base oil is less than or equal to 0.01 % by weight; Nitrogen content is less than or equal to 0.001 % by weight; Pour point is lower than-36 ℃.
3. hydraulic fluid compositions according to claim 1, the kinematic viscosity while it is characterized in that described mineral base oil-15 ℃ is for being less than or equal to 1500mm
2/ s.
4. hydraulic fluid compositions according to claim 1, is characterized in that the aromatic hydrocarbons that described mineral base oil adopts n-d-M method to measure is less than or equal to 2 % by weight, and specific refractory power is 1.460～1.480.
5. hydraulic fluid compositions according to claim 1, is characterized in that described antiwear hydraulic oil recombiner is HiTEC521, the HiTEC543 that is selected from AFTON company, the LZ5703 of LUBRIZOL company, at least one in the IR5010 of BASF AG.
6. hydraulic fluid compositions according to claim 1, the add-on that it is characterized in that described antiwear hydraulic oil recombiner is 0.4～1.5 part.
7. hydraulic fluid compositions according to claim 1, is characterized in that also comprising in described composition at least one being selected from demulsifying agent or kilfoam; In parts by weight, the consumption of emulsion splitter is 0～0.1 part, and the consumption of kilfoam is 0～0.03 part.
8. hydraulic fluid compositions according to claim 7, is characterized in that in parts by weight, and the consumption of emulsion splitter is 0～0.03 part, and the consumption of kilfoam is 0.001～0.01 part.
9. hydraulic fluid compositions according to claim 7, is characterized in that described emulsion splitter is selected from least one in amine and epoxide condenses, ethylene oxide/propylene oxide multipolymer; Described kilfoam is selected from least one in methyl-silicone oil, ethyl silicon oil or acrylate and ether copolymer.10, the arbitrary described hydraulic fluid compositions of claim 1～9 is for hydraulic efficiency installation.
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| CN201310468221.7A CN103710082B (en) | 2013-10-09 | 2013-10-09 | Hydraulic fluid compositions and uses thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107488482A (en) * | 2017-06-27 | 2017-12-19 | 山西潞安太行润滑油有限公司 | A kind of low temperature hydraulic oil composition and its application |
| CN107541319A (en) * | 2017-09-06 | 2018-01-05 | 浙江实美润滑科技有限公司 | A kind of ashless hydraulic fluid of high viscosity index (HVI) low pour point and preparation method thereof |
| CN109679748A (en) * | 2018-12-27 | 2019-04-26 | 山东奇士登润滑科技有限公司 | A kind of leakproof antiwear hydraulic oil and preparation method thereof |
| CN111019743A (en) * | 2019-11-15 | 2020-04-17 | 山西潞安矿业(集团)有限责任公司 | Coal-based total-synthesis low-temperature hydraulic oil and preparation method thereof |
| CN114574268A (en) * | 2020-12-01 | 2022-06-03 | 中国石油化工股份有限公司 | Biodegradable hydraulic transmission oil composition |
| CN114657012A (en) * | 2022-04-20 | 2022-06-24 | 卡松科技股份有限公司 | High-cleanness high-pressure ash-free anti-wear hydraulic oil composition and preparation method thereof |
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| JP2009221330A (en) * | 2008-03-14 | 2009-10-01 | Japan Energy Corp | Lubricating oil composition |
| CN102757841A (en) * | 2011-04-29 | 2012-10-31 | 中国石油化工股份有限公司 | Ashless ultralow-temperature hydraulic oil |
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| JP2009221330A (en) * | 2008-03-14 | 2009-10-01 | Japan Energy Corp | Lubricating oil composition |
| CN102757841A (en) * | 2011-04-29 | 2012-10-31 | 中国石油化工股份有限公司 | Ashless ultralow-temperature hydraulic oil |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107488482A (en) * | 2017-06-27 | 2017-12-19 | 山西潞安太行润滑油有限公司 | A kind of low temperature hydraulic oil composition and its application |
| CN107541319A (en) * | 2017-09-06 | 2018-01-05 | 浙江实美润滑科技有限公司 | A kind of ashless hydraulic fluid of high viscosity index (HVI) low pour point and preparation method thereof |
| CN107541319B (en) * | 2017-09-06 | 2020-07-17 | 浙江顶嘉新材料科技有限公司 | High-viscosity-index low-pour-point ashless hydraulic oil and preparation method thereof |
| CN109679748A (en) * | 2018-12-27 | 2019-04-26 | 山东奇士登润滑科技有限公司 | A kind of leakproof antiwear hydraulic oil and preparation method thereof |
| CN111019743A (en) * | 2019-11-15 | 2020-04-17 | 山西潞安矿业(集团)有限责任公司 | Coal-based total-synthesis low-temperature hydraulic oil and preparation method thereof |
| CN114574268A (en) * | 2020-12-01 | 2022-06-03 | 中国石油化工股份有限公司 | Biodegradable hydraulic transmission oil composition |
| CN114657012A (en) * | 2022-04-20 | 2022-06-24 | 卡松科技股份有限公司 | High-cleanness high-pressure ash-free anti-wear hydraulic oil composition and preparation method thereof |
| CN114657012B (en) * | 2022-04-20 | 2023-01-03 | 卡松科技股份有限公司 | High-cleanness high-pressure ashless anti-wear hydraulic oil composition and preparation method thereof |
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| CN103710082B (en) | 2015-08-19 |
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